redonkable
/
remarkable-uboot
1
0
Fork 0
Code Releases Activity

arm: baltos: drop I2C speed to 1000 Hz 

This action is need to make I2C communication with PMIC
stable for low temperature. Print current I2C speed in
SPL for visual control.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
utp
Yegor Yefremov 2015-07-06 17:28:35 +02:00 committed by Tom Rini
parent 5833521b38
commit e6b1b58bed
2 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
board/vscom/baltos/board.c
View File

@ -184,6 +184,8 @@ void am33xx_spl_board_init(void)
*/
i2c_set_bus_num(1);
printf("I2C speed: %d Hz\n", CONFIG_SYS_OMAP24_I2C_SPEED);
if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) {
puts("i2c: cannot access TPS65910\n");
return;

2
include/configs/baltos.h
View File

@ -52,7 +52,7 @@
/* I2C configuration */
#undef CONFIG_SYS_OMAP24_I2C_SPEED
#define CONFIG_SYS_OMAP24_I2C_SPEED 10000
#define CONFIG_SYS_OMAP24_I2C_SPEED 1000
#ifdef CONFIG_NAND
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000